Found 3 exchanges where Arkham is traded for BTC. According to the data on 17 July the most optimal price to exchange ARKM for BTC is ₿0.0000017 for 1 Arkham. This rate is fixed at WhiteBIT at the maximum trading volume of the pair ARKM/BTC - 0.4 BTC.
The maximum daily trading volume is observed in the ARKM/USDT trading pair at BitMart and reaches ₿ 14.51 (0.0644% of the exchange's total trading volumes) at the price ₿ 0.0000017 per 1 ARKM.
The minimum price to buy ARKM for BTC is 0.0000017 - on the exchange WhiteBIT.
The maximum price to buy ARKM/BTC is 0.0000018 - on the exchange Upbit.
Внимание: у части рынков ARKM аномально широкий спред — такие котировки могут быть ненадёжными (низкая ликвидность или нерыночные сделки). Сверяйтесь с объёмом и несколькими площадками.